﻿
@{
    ViewBag.Title = "库图管理";
}
<div class="layui-upload">
    <button type="button" class="layui-btn layui-btn-normal" id="btnSelect">选择多文件</button>
    <div class="layui-upload-list">
        <table class="layui-table">
            <thead>
                <tr>
                    <th>文件名</th>
                    <th>大小</th>
                    <th>状态</th>
                    <th>操作</th>
                </tr>
            </thead>
            <tbody id="uploadList"></tbody>
        </table>
    </div>
    <button type="button" class="layui-btn" id="btnUpload">开始上传</button>
</div>
<script>
    layui.use(['upload'], function () {
        var $ = layui.jquery, upload = layui.upload;
        var uploadList = $('#uploadList')
            , uploadListIns = upload.render({
                elem: '#btnSelect'
                , url: 'ImageUpload'
                , accept: 'file'
                , data: { id:@ViewBag.ID }
                , multiple: true
                , auto: false
                , bindAction: '#btnUpload'
                , choose: function (obj) {
                    var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                    //读取本地文件
                    obj.preview(function (index, file, result) {
                        var tr = $(['<tr id="upload-' + index + '">'
                            , '<td>' + file.name + '</td>'
                            , '<td>' + (file.size / 1024).toFixed(1) + 'kb</td>'
                            , '<td>等待上传</td>'
                            , '<td>'
                            , '<button class="layui-btn layui-btn-mini upload-reload layui-hide">重传</button>'
                            , '<button class="layui-btn layui-btn-mini layui-btn-danger upload-delete">删除</button>'
                            , '</td>'
                            , '</tr>'].join(''));

                        //单个重传
                        tr.find('.upload-reload').on('click', function () {
                            obj.upload(index, file);
                        });

                        //删除
                        tr.find('.upload-delete').on('click', function () {
                            delete files[index]; //删除对应的文件
                            tr.remove();
                            uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                        });

                        uploadList.append(tr);
                    });
                }
                , done: function (res, index, upload) {
                    if (res.code == 0) { //上传成功
                        var tr = uploadList.find('tr#upload-' + index)
                            , tds = tr.children();
                        tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                        tds.eq(3).html(''); //清空操作
                        return delete this.files[index]; //删除文件队列已经上传成功的文件
                    }
                    this.error(index, upload);
                }
                , error: function (index, upload) {
                    var tr = uploadList.find('tr#upload-' + index)
                        , tds = tr.children();
                    tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                    tds.eq(3).find('.upload-reload').removeClass('layui-hide'); //显示重传
                }
            });
    })
</script>